baber/WOPTO huggingface dataset:
Patent KR-20040035196-A (KR)
Title: Cefditoren pivoxyl mesitylene sulfonic acid salt and preparing method thereof
Inventor: CHOI YEONG JAE
IPC: C07D501/24
Filed: 2002-10-18
Abstract: PURPOSE: Cefditoren pivoxil mesitylene sulfonic acid salt and a method for preparing the same are provided. The compound has improved antimicrobial activity and improved water-solubility, stability, easy isolation, storage and pharmaceutical activity. CONSTITUTION: Cefditoren pivoxil mesitylene sulfonic acid salt represented by the formula(I) is provided, wherein n is 1 or 2. A method for preparing the cefditoren pivoxil mesitylene sulfonic acid salt of the formula(I) comprises reacting cefditoren pivoxil of the formula(IV) with mesitylene sulfonic acid of the formula(V). An additional method for preparing the cefditoren pivoxil mesitylene sulfonic acid salt of the formula(I) comprises reacting cefditoren of the formula(II) with pivaloyloxymethyl iodide of the formula(III) to prepare cefditoren pivoxil of the formula(IV), and reacting the cefditoren pivoxil of the formula(IV) with mesitylene sulfonic acid of the formula(V).
Patent KR-20040037772-A (KR)
Title: Method for forming landing-plug in semiconductor device
Inventor: HWANG CHANG YEON
IPC: H01L21/283
Filed: 2002-10-30
Abstract: PURPOSE: A method for forming a landing plug of a semiconductor device is provided to prevent contact open failure and to obtain wide contact hole area by previously forming a contact isolation layer using CMP(Chemical Mechanical Polishing). CONSTITUTION: A plurality of gate lines(23) with a hard mask(25) are formed on a substrate(21). A gate spacer forming layer and a contact isolation layer(27a) are filled between the gate lines. A hole is formed by selectively etching the contact isolation layer using a contact mask. A contact hole is formed by etching the gate spacer forming layer exposed in the hole and a gate spacer(26a) is simultaneously formed. A landing plug(32) is then formed in the contact hole by selective epitaxial growth.
Patent KR-20040040539-A (KR)
Title: Reticle barcode structure
Inventor: YOO GYEONG HUI
IPC: H01L21/027
Filed: 2002-11-07
Abstract: PURPOSE: A reticle bar code structure is provided to be capable of maintaining the career of a reticle for preventing the duplicate fabrication of the same reticle. CONSTITUTION: A reticle bar code structure is provided with a mass-production line code(1) for showing a mass-production line number, a product code(2) for showing a product group, and a plurality of version codes(3,4) of a device. The reticle bar code structure further includes a plurality of layer codes(5,6) of the product group, a plurality of reticle ID(IDentification) codes(7,8), a scale sorting code(9), and a set order code(10) for showing a reticle fabrication order number. Preferably, the set order code shows the fabrication number of the same reticles. Preferably, the product code, the version code, and the scale sorting code are fixed codes. Preferably, the mass-production line code, the layer code, and the reticle ID code are variable codes.
Patent KR-20040041986-A (KR)
Title: Process chamber for using semiconductor fabricating equipment
Inventor: CHO CHEOL HAN
IPC: H01L21/02
Filed: 2002-11-12
Abstract: PURPOSE: A process chamber for semiconductor manufacturing equipment is provided to be capable of preventing the damage of a lid thermocouple. CONSTITUTION: A process chamber for semiconductor manufacturing equipment is provided with a chamber body(110), a lid(120) for covering the chamber body, a height control unit(130) for moving the lid up and down, a heater for heating the inner portion of the chamber body, a control board(170) for controlling the height control unit and the heater, and a lid thermocouple(175) for connecting the lid with the control board in order to transmit the temperature of the lid to the control board. Preferably, the process chamber further includes a length control unit for preventing the cut of the lid thermocouple due to the motion of the lid.
Patent KR-20040042262-A (KR)
Title: Products sales System and Method using Internet Set-top box
Inventor: LEE YONG KWON
Filed: 2002-11-13
Abstract: PURPOSE: A system and a method for selling goods using an Internet set-top box are provided to make a user not familiar to the Internet easily use a shopping mall by automatically logging in to the shopping mall as comparing the serial information of the used Internet set-top box. CONSTITUTION: A goods provider managing module(302) receives/registers a goods provider(400) in a goods provider database(314). A set-top box managing module(304) manages the information for the Internet set-top box and manages the serial information of the set-top box by using a set-top box database(316). A seller managing module(306) manages the information for a seller(500) selling the Internet set-top box to a buyer by using a seller information database(318). A delivery managing module(308) stores/manages the delivered goods information in a delivery information database(320). A settlement managing module(310) stores the purchase information and the settlement information of the buyer in a settlement information database(322), and settles the purchase prices with a maker or the seller of Internet set-top box.
Patent KR-20030003180-A (KR)
Title: An installation to make an underwater park
Inventor: HA SEOK HONG
IPC: A01K61/00
Filed: 2002-11-30
Abstract: PURPOSE: An installation for water park building is provided to induce fishery using natural materials good for the habitation of aquatic lives as a main material and stimulate the adhesion of seaweeds. CONSTITUTION: The installation for water park building is formed by mixing cement, sand, gravel and water to enable the adhesion of aquatic plants. 7 wt.% of charcoal powder, 2-10 wt.% of loess, and a 2-5 wt.% of shell powder are further included.
Patent KR-20040048459-A (KR)
Inventor: LEE JAE HONG
IPC: H01L21/304
Filed: 2002-12-03
Abstract: PURPOSE: A CMP(Chemical Mechanical Polishing) apparatus is provided to prevent the damage of a back film and the contamination of a polishing pad by uniformly forming the back film along a wafer including a flat zone. CONSTITUTION: A CMP apparatus is provided with a head, a back film(203) installed on the lower surface of the head for performing the buffering operation against the pressure of the head and supplying the suction for a wafer(207), and a polishing pad for polishing a polishing object layer of the wafer. At this time, the back film has a predetermined size for completely covering the wafer. Preferably, the back film has the same shape as the wafer.
Patent KR-20040055183-A (KR)
Title: High-Alloy iron and mechanical sealing
Inventor: JU JUNG HYEON
IPC: C22C37/08
Filed: 2002-12-20
Abstract: PURPOSE: A high hardness wear resistant alloy cast iron in which heat resistance and wear resistance are improved is provided, and a mechanical sealing which has a low exothermic temperature at high speed rotation and is capable of effectively taking measures on fluid leakage on the severe contact surface is provided. CONSTITUTION: The alloy cast iron having high hardness and wear resistance comprises 2.9 to 3.3 wt.% of carbon (C), 0.4 to 0.7 wt.% of silicon (Si), 0.6 to 0.9 wt.% of manganese (Mn), 0.3 wt.% or less of phosphorus (P), 3.3 to 4.1 wt.% of nickel (Ni), 1.1 to 1.5 wt.% of chromium (Cr), 0.3 wt.% or less of molybdenum (Mo), 0.5 to 0.7 wt.% of vanadium (V) and a balance of Fe. The mechanical sealing is characterized in that a mechanical sealing having Rockwell hardness HRC 65 or more is fabricated by performing heat treatment operation on the alloy cast iron having high hardness and wear resistance comprising 2.9 to 3.3 wt.% of carbon (C), 0.4 to 0.7 wt.% of silicon (Si), 0.6 to 0.9 wt.% of manganese (Mn), 0.3 wt.% or less of phosphorus (P), 3.3 to 4.1 wt.% of nickel (Ni), 1.1 to 1.5 wt.% of chromium (Cr), 0.3 wt.% or less of molybdenum (Mo), 0.5 to 0.7 wt.% of vanadium (V) and a balance of Fe, wherein the heat treatment operation is subzero treatment.
Patent KR-20040056052-A (KR)
Inventor: PARK YEONG SEON
IPC: B22D41/00
Filed: 2002-12-23
Abstract: PURPOSE: An impact pad for tundish is provided which suppresses splash of molten steel spouted from nozzle and easily removes impurities in molten steel by reducing momentum of molten steel. CONSTITUTION: In an impact pad(25) installed in tundish(21) of continuous caster, the impact pad comprises a body formed in a rectangular parallelopiped box shape as a whole; inflow port and outflow port formed on one surface of the body; and a depression and prominence part formed on the inner wall of a surface oppositely directed to the inflow port and outflow port formed surface of the body, wherein the inner wall of four surfaces contacted with the inflow port and outflow port formed surface has a side inclination angle, wherein a net or honeycomb shaped lattice is formed on the inflow port, wherein the outflow port is inclined to the outflow port formed surface, wherein ribs for mounting the impact pad on tundish are formed on second surface or fourth surface of the body, wherein the outflow is formed at a symmetrical position of both sides of the inflow port, wherein only one of the outflow is formed on the side of the inflow port, wherein a buffer space is formed in the body, and wherein cross section of the depression and prominence part is formed in a triangular, rectangular or circular shape.
Patent KR-20040056848-A (KR)
Title: Apparatus for preventing plugging of slurry tube in chemical mechanical polisher
Inventor: HAN GYEONG SU
IPC: H01L21/304
Filed: 2002-12-24
Abstract: PURPOSE: An apparatus for preventing the clogging phenomenon of a slurry supply line in a CMP(Chemical Mechanical Polishing) apparatus is provided to restrain the damage of the slurry supply line and scratches of a wafer by using a line for supplying deionized water. CONSTITUTION: An apparatus for preventing the clogging phenomenon of a slurry supply line(15) is provided with a deionized water supply line(21) for supplying deionized water from a deionized water tank to the slurry supply line and a check valve(23) on the deionized water supply line. The apparatus further includes a switching valve(25) on the deionized water supply line for switching the supply of the deionized water and a switch(27) for controlling the switching valve.
Patent KR-20040059318-A (KR)
Title: Liquid Crystal Display Device
Inventor: KIM SANG RAE
IPC: G02F1/133
Filed: 2002-12-28
Abstract: PURPOSE: An LCD(Liquid Crystal Display) is provided to differently form the sizes of the respective pixel electrodes corresponding to the last data line of the first drive integrated circuit group and the first data line of the second drive integrated circuit group, thereby preventing the quality deterioration from generating. CONSTITUTION: Pixel electrodes are formed at cell regions between gate lines(GL) and data lines(DL). The pixel electrode is connected with one of data lines(DL) via source and drain electrodes(72,74) of a TFT(Thin Film Transistor). A gate electrode(70) of the TFT is connected with one of gate lines(GL) so that a data signal is applied to pixel electrodes corresponding to 1 line. The TFT responds a gate high voltage(Vgh) supplied to the gate line(GL) and charges the pixel voltage supplied to the data line(DL) to the corresponding pixel electrode. When a data signal with the same polarity is respectively applied to the k-th and (k+1)th pixel electrodes(76A,76B) through adjacent k-th and (k+1)th data lines(DLk,DL(k+1)), the sizes of the k-th and (k+1)th pixel electrodes(76A,76B) are set differently.
Patent KR-20040059320-A (KR)
Title: Liquid crystal display and driving method thereof
Inventor: CHOI SANG HO
IPC: G09G3/36
Filed: 2002-12-28
Abstract: PURPOSE: A liquid crystal display device and a method for driving the same are provided to drive the liquid crystal cells with a dot inversion type together with inverting the polarity of the pixel signal supplied to each of the data lines in the unit of frame. CONSTITUTION: A liquid crystal display device includes a liquid crystal display panel(12), a gate driver(14) and a data driver. The liquid crystal display panel(12) is provided with a thin film transistor and a liquid crystal cell in each of the regions at which a plurality of gate lines is crossing with a plurality of data lines. The gate driver(14) drives the even gate lines after it drives the odd gate lines among the plurality of gate lines. The data driver converts the digital pixel data inputted during a first period to drive the odd gate lines into a plurality of analog pixel signals having a polarity opposite to that of the data line and maintaining the same polarity during the first period and supplies the plurality of analog pixel signals to the data lines. And, the data driver converts the digital pixel data inputted during a second period to drive the even gate lines into a plurality of analog pixel signals having a polarity opposite to that of the pixel signal supplied during the first period and supplies the converted signals to the data lines.
Patent KR-20040059921-A (KR)
Title: Method of forming contact for semiconductor device
Inventor: HWANG CHANG YEON
IPC: H01L21/28
Filed: 2002-12-30
Abstract: PURPOSE: A method for forming a contact of a semiconductor device is provided to enhance SAC(Self Align Contact) margin and to prevent SAC fail by deforming a gate profile. CONSTITUTION: A gate insulating layer(11) is formed on a substrate(10). A gate line(100) composed of the first pattern(12A) of the first film, the first pattern of the second film and a hard mask(13) is formed on the gate insulating layer. The second pattern(12B') of the second film is formed by selectively removing the side of the first pattern of the second film. The side is expanded to have small size compared to the hard mask by oxidizing the second pattern of the second film. A gate spacer(14) is covered on the gate line. An interlayer dielectric(15) is filled between the gate spacers. A contact hole is then formed by selectively etching the interlayer dielectric and the gate spacer to expose the substrate.
Patent KR-20020042685-A (KR)
IPC: H01M4/36
Filed: 2000-09-21
Abstract: 전극 구조체의 롤링에 적합한 롤링 장치 및 효율이 좋은 전극 구조체를 제공하는 것을 목적으로 한, 전극 구조체를 끼워 롤링하는 한 쌍의 워크 롤(43, 43), 각 워크 롤에 압력을 작용하는 적어도 한 쌍의 백업 롤(42, 42), 적어도 한 쪽의 백업 롤을 워크 롤측으로 압력을 작용하는 가압 장치(44), 및 워크 롤(43)을 회전 구동하는 구동 장치(45)를 구비하고, 표면에 탄성 재료를 피착한 전극 구조체(1)를 롤링하는 롤링 장치, 및 롤링 장치로 롤링된 전극 구조체.
Patent KR-20030004322-A (KR)
Title: Flexible content distribution method and apparatus
IPC: G06F17/00
Filed: 2001-01-18
Abstract: Protected content is distributed to users without the need for payment at the time of media distribution. Payment can be performed at a later time in response to which content may be enabled, and/or users may selectively pay for, and receive enablement of, content such that only portions of content may be accessible at a given time. Following the first enablement of content, access rights may be expanded or otherwise changed, e.g., in response to a second payment.
Patent KR-20020088078-A (KR)
Title: 피드백 제어 기능을 갖는 조정 가능한 광학 구조물
IPC: G02F1/01
Filed: 2001-03-06
Abstract: 조정 가능한 광학 장치는 압축 조정된 광학 구조물과 변위 센서를 가진다.  압축 조정된 광학 구조물은 압축 조정된 광학 구조물의 광학 특성의 변화에 대한 정보를 포함하는 압축 조정된 광학 구조물을 제공하기 위해 그리고 압축 조정된 광학 구조물의 변위의 변화에 의해 야기된 여기를 제공하기 위해 광학 신호 및 변위 센서 신호에 응답한다.  변위 센서는 압축 조정된 광학 구조물의 변위의 변화에 대한 정보를 포함하는 변위 센서 신호를 제공하기 위해 여기에 응답한다.  압축 조정된 광학 구조물은 도그본과 같이 형성된 유리 압축 유닛이다.  변위 센서는 2개의 평행하고 대향하는 플레이트들 사이의 커패시턴스를 측정하기 위해 유리 압축 유닛에 부착된 커패시턴스 센서이다.
Patent KR-20020087449-A (KR)
Title: 광대역 접속점들을 이용하는 로버스트 망 형태의 무선통신
IPC: H04B7/26
Filed: 2001-03-30
Abstract: 본 발명에서는 접속점들을 이용하여 로버스트 망 형태의 무선 통신을 위한 방법과 시스템을 제공한다. 무선 통신 시스템은 기지국 제어기와 적어도 하나의 고객 댁내 장치의 집합을 가지는 통신 셀을 포함한다. 상기 고객 댁내 장치는 상기 셀의 섹터 내에 배치되고, 그리고 상기 기지국 제어기와 상기 고객 댁내 장치간 통신은 상기 기지국 제어기에 의해 제어되어 고객 댁내 장치의 다중 집합간의 간섭을 방지한다. 고객 댁내 장치가 비교적 상당히 많은 양의 다중 경로 효과(multipath effect), 또는 간섭 또는 잡음에 영향을 받을 때, 하나 이상의 접속점들은 상기 섹터 내에 배치되어, 상기 기지국 제어기와 하나 이상의 고객 댁내 장치 집합간에 통신을 전파 또는 중계하게 된다. 상기 접속점들은 상기 셀 내에서 작동하는 단순한 반사기(reflector)로부터 중계기(repeater), 라우팅 장치(routing devices)에 이르기까지 복잡하게 분포될 수 있다.
Patent KR-20030015239-A (KR)
IPC: C30B15/04
Filed: 2001-04-04
Abstract: 실리콘 결정 성장 머신에서, 개방 단부가 용융 실리콘 표면 아래에 잠긴 봉합된 공급 튜브를 통해 용융 실리콘 내에 비소 도펀트가 주입된다.  그 후, 생성된 비소 증기는 용융 실리콘 공간으로 바로 주입되며 용융 실리콘 위의 결정 성장 장치의 공간 애에서 비소 증기의 손실이 최소화된다.  도펀트 공급 튜브는, 결정 성장 장치 시드 척에 부착되며 시드 척 구동 메카니즘을 사용하여 용융 실리콘 내로 내려가게 되는 어셈블리로서 구성되거나, 혹은 용융 실리콘 표면 위의 결정 성장 장치 챔버 내의 액세스 포트를 통해 용융 실리콘으로부터 연장되거나 수축될 수 있는 개별적인 어셈블리로서 구성될 수 있다.
Patent KR-20030043792-A (KR)
IPC: H04B10/27
Filed: 2001-05-16
Abstract: 광 신호의 하나 이상의 파장 성분(들)을 수신하기 위한 복수의 입/출력 포트를 포함하는 광학 스위치가 제공된다. 광학 스위치는 파장 성분을 복수의 입/출력 포트 중 임의로 일정한 입/출력 포트로 보내는 광학 장치를 또한 포함한다. 일정한 입/출력 포트는 복수의 입/출력 포트 중 임의의 포트 중에서 선택될 수 있다. 광 신호가 복수의 파장 성분을 포함하면, 광학 장치는 박막 필터와 같은 적어도 하나의 파장 선택 요소를 포함한다. 파장 선택 요소는 복수의 파장 성분 중에서 하나의 파장 성분을 선택한다. 광학 장치는, 각각 파장 선택 요소 중 하나와 연관된 복수의 광학 요소를 또한 포함한다. 각 광학 요소는, 연관된 선택 요소에 의해 선택되는 상기 선택된 파장 성분을 모든 다른 파장 성분과 상관없이 복수의 입/출력 포트 중 일정한 하나의 포트로 보낸다. 광학 요소는 기울어질 수 있는 역반사 미러 조립체일 수 있다.
Patent KR-20030020880-A (KR)
IPC: B23B7/00
Filed: 2002-03-27
Abstract: 본 발명은 제품의 가공을 끝낸 후에, 상기 제품을 자동적으로 회수하는 제품 회수 장치 및 제품 회수 방법에 관한 것이다. 
     본 발명은 절삭편의 냉각액 수취 상자로의 혼입이 적고, 가공 부위의 근방이나 가공실 내에 배치가 가능하여 공간 절약이 가능하고 제품의 회수율이 높은 제품 회수 장치의 제공을 목적으로 한다. 
     본 발명은 재료 유지 수단에 유지된 재료(B)에 대하여 가공을 행하여 제품(W)을 생산하는 공작 기계로부터, 상기 제품을 회수하는 제품 회수 장치(100)로서, 상기 제품을 수취하는 제품 회수관(102)과, 상기 제품을 에어의 흡인에 의해서 상기 제품 회수관 내에 끌어넣기 위한 흡인 에어 발생 수단(103)과, 이 흡인 에어 발생 수단과 상기 제품 회수관 사이에 설치된 상기 제품의 회수 용기(120)를 가지는 구성으로 되어 있다.  상기 회수 용기에 냉각액을 모으는 냉각액 저장부를 설치하고, 이 냉각액 저장부 내의 냉각액에 상기 제품 회수관에 의해서 회수된 제품을 낙하시키도록 할 수 있다.
Patent KR-20030018003-A (KR)
Title: System for transporting and skew loading/unloading of cars in a combined railway/road transport railway station and method for using same
IPC: B61D15/00
Filed: 2001-06-20
Abstract: The invention concerns a combined railway/road transport system consisting of at least a railway track (60), track platforms (61) and (62), cars (1) and loading/unloading stations (63). The invention is characterised in that each car (1) consists of two end platforms (2) and (3) and a railway structure (6) bearing a road car load mounted pivoting on said car (1) and linked to the end platforms (2) and (3) by detachable and locking links rigidly assembled, and each station (63) is equipped on the ground with at least means for lifting, lowering and swivelling the carrier structure (6) enabling to detach and pivot towards the track platform (61) or (62) equipped with means for picking up and receiving (64) or (65) the assembly comprising means for maintaining in position and for presenting the end platforms (2) and (3). The invention is of interest for manufacturers of equipment for combined railway/road transport.
Patent KR-20030020312-A (KR)
IPC: B61F5/24
Filed: 2001-06-25
Abstract: 본 발명에 의하면, 철도의 승차감을 정확하게 평가할 수 있다.  승차감 모의 시험 장치(1)에서는, 제어 장치(60)가 구동 장치(50)를 제어함으로써, 철도 차량의 내장을 모방한 모의 객실(10)에 대해 6개의 축 중 임의의 복수 개에 대해 동시에 진동을 가할 수 있다.  이 제어 장치(60)는, 모의 객실(10)에 부여하는 진동의 상하 성분, 좌우 성분 및 전후 성분 중, 전후 성분의 진동 가속도 및 주파수 대역의 상한을 억제함으로써, 상하 성분, 좌우 성분의 진동 가속도 및 주파수 대역의 상한을 높이고 있다.  이 승차감 모의 시험 장치(1)에 의하면, 진동을 상하 성분, 좌우 성분, 전후 성분의 각 성분으로 나누었을 때, 각각 승차감이 대단히 나쁜 범위까지 재현할 수 있으므로, 승차감을 정확하게 평가할 수 있다.
Patent KR-20040068637-A (KR)
Inventor: HONG KYUNG PYO
IPC: A01M29/24
Filed: 2003-01-27
Abstract: PURPOSE: An electric shock type device for exterminating birds is provided to enable birds to avoid re-approaching by applying a direct shock to the birds as a direct current converted from an alternating current from wire is made a short circuit when the birds approach. CONSTITUTION: The electric shock type device for exterminating birds comprises a control box including a battery and an A/D converter; a bird guiding hole(10) including a supplying wire and a conducting wire(11,11') exposed outwardly; and a separate connection wire(30). The bird guiding hole(10) includes a landing hole(14) by a connection plate formed at the upper part of a body(12); the conducting wire(11,11') are exposedly inserted into insertion grooves(15,15') in the landing hole(14); tightly sealing covers(20,20') are inserted into both ends of the body(12); and a connector(21) corresponding the conducting wire is built in the tightly sealing cover at one side.
Patent KR-20040075548-A (KR)
Inventor: BAEK CHANG HUN
IPC: H04B1/38
Filed: 2003-02-21
Abstract: PURPOSE: A cover case for a mobile terminal having an internal-antenna and a mobile terminal employing the same are provided to increase the amount of radiation energy by enlarging the size of an internal antenna. CONSTITUTION: A cover case(10) is coupled to a folder-type mobile terminal(120) in order to protect a housing of the terminal and offer various outer designs. The cover case(10) is coupled to an upper folder that is not seized by a user. An internal antenna(11) is installed inside the cover case(10). The internal antenna is attached inside the cover case(10) or installed in an inner space of the housing. The internal antenna(11) is made with a thin film-type PCB(Printed Circuit Board), a copper plate or a copper film. The internal antenna(11) and a main PCB of the mobile terminal(12) are electrically connected.
Patent KR-20040077350-A (KR)
Inventor: SHIN KI MUN
IPC: B44C5/08
Filed: 2003-02-28
Abstract: PURPOSE: A flower decoration device using optical fibers is provided to offer a variety of visually appealing effects and changing views by emitting various types of illuminations, to impart a self-illuminating function to the device to exhibit an aesthetically pleasing effect in a poorly illuminated place, to enable a melody, a voice message, an image, or a video or text message to be delivered by optionally installing a speaker or display. CONSTITUTION: The flower decoration device comprises: a battery(11) as a power source; a light emitting diode(LED)(20) and a laser beam generator(30); a controller(12) connected to the battery(11), the LED(20) and the laser beam generator(30), and controlling power to be supplied thereto and adjusting flash of the LED(20); optical fibers(81-84) opposite to and facing an emission side of the LED(20); cylindrical housings(50a,50b) for the LED(20) and the laser beam generator(30); a waterproof member(60) fused between each of the housings(50a,50b) and the optical fibers(81-84) to ensure waterproofness; a switch(13) for turning the controller(12) ON/OFF for the overall operation of the device; a liquid crystal display(15); and a speaker(14).
Patent KR-20030074352-A (KR)
Title: 박막 반도체 디바이스 및 그 제조 방법
IPC: H01L27/08
Filed: 2003-03-11
Abstract: N-채널 MOS 트랜지스터 및 P-채널 MOS 트랜지스터를 갖는 반도체 디바이스에서, 글라스 기판상에 각각의 N-채널 및 P-채널은 다결정 실리콘층, 게이트 절연막, 및 게이트 폴리실리콘을 함유하는 게이트 전극을 갖는다.      반도체 디바이스를 제조하는 방법은, MOS 트랜지스터의 소오스/드레인의 형성 또는 LDD의 형성 시의 불순물 주입 단계와 동시에 또는 다르게 게이트 폴리실리콘으로 불순물을 주입하는 단계를 포함하며, N-채널 MOS 트랜지스터의 게이트 폴리실리콘을 N-형으로 형성하고 P-채널 MOS 트랜지스터의 게이트 폴리실리콘을 P-형으로 형성하고, 또한, 반전 채널이 형성될 때 발생되는 공핍층의 폭보다 좁은 다결정 실리콘층의 두께를 설정한다.     따라서, MOS 트랜지스터의 쓰레시홀드 전압값의 편차가 감소되어 저-전압 구동이 실현된다.